Question about Audio Players & Recorders
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Posted on Jan 02, 2017
SOURCE: NO POWER - MARANTZ SR-5000
you mite not have to reset it, try checking ur fuses, it could of triped the cicrut when the power went out, normaly thats what happens unless it was a direct contact then, u mite wanna go get a nother receiver, and what i mean by direct contact, i mean like directly pluged into the wall
hope that helps
Posted on Feb 13, 2009
my friend has the same problem with an SR 4001. the tech said it was an internal fuse soldered to the board. the display showed an error code that clued in the tech of the problem. I am trying to find the fuse on the board, and trying to get a value(Volts-amps) of the fuse
Posted on Jul 28, 2010
The protection mode is engaged when there's a shor on one of the speakers outputs. This is a major malfunction and, to prevent the rest of the receiver to get fried, the entire system is put in an emergency shutdown mode - the Protection mode.
You must find out if the short is external - in one of the speakers - or internal - in one of the amplifying circuits. For that disconnect every single cable that plugs in the unit and start it .
If the protection mode is still activated then the problem is internal. The only way to identify the faulty circuit is to open the unit and test them all one at a time, starting with the 4 final transistors (2 per channel) - you need a good voltmeter and some basic electronics knowledge. In the worst case scenario the final transistors for both the channels have been shorted - it will cost you about $100 to replace them. Beware, soldering them in place is a delicate job, use grounding precautions and don't overheat them.
If the protection mode is gone then one of the speakers has failed. Either replace both of them or take them to a specialized repair shop, you can't fix speakers at home.
Posted on Nov 24, 2010
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